* {
    margin: 0;
    padding: 0;
}
/* 轮播图外框样式 */
.slide-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}
@media (min-width: 500px) {
    .slide-wrap {
        height: 400px;
    }
}
.nar-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 30px;
}
/* 轮播图图片样式 */
.slide-wrap img {
    object-fit: contain;
    width: 100%;
    height: 100%;
}
/* 介绍文字样式 */
.introdution {
  position: absolute;
  width: 80%;
  color: white;
}
.introdution h2 {
  font-size: 20px;
  text-shadow: 0 0 10px #000;
  margin-bottom: 10px;
}
.introdution p {
  font-size: 12px;
  text-shadow: 0 0 10px #000;
}
/* 左右按钮样式调整 */
.swiper-button-next{
    right: 20px;
    outline: none;
    opacity: 0.4;
    --swiper-navigation-size: 30px;
    /* 改变颜色 */
    --swiper-navigation-color: #269ABC;
}
.swiper-button-prev{
    left: 20px;
    outline: none;
    opacity: 0.4;
    --swiper-navigation-size: 30px;
    /* 改变颜色 */
    --swiper-navigation-color: #269ABC;
}